======================== unified (from filesystem) ========================
                                         'bitrate'  '218.993'
                                        'duration'  '328'
                                          'artist'  'Mogwai'
                                     'text_people'  ''
                                         'release'  'Mr. Beast'
                                           'title'  'Friend of the Night'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'alternative', 'post rock']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'art rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '108.762'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000F44 00000D86 0000368C'
'COMM:iTunNORM:eng'                                 (' 00000F44 00000D86 0000368C 0000427B 00041A0A 000419F3 00008000 00007E7B '
 '0004679F 000330AA')
'TALB' (Album/Movie/Show title)                     'Mr. Beast'
'TBPM' (BPM (beats per minute))                     '108.762'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Friend of the Night'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mogwai'
'TPE2' (Band/orchestra/accompaniment)               'Mogwai'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'leftfield', 'art rock']
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'alternative', 'post rock']
'TXXX:original release date'                        ['2006', '2018']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.365891'

========================== row from database ==========================
                                              'id'  1284010
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mogwai/Mr. Beast/06 - friend of the night.mp3
                                         'working'  None
                                         'bitrate'  219
                                    'duration_sec'  328
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  9033136
                                           'mtime'  1621697469
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 friend night ifs songwriter indie rock
                                      'tag_artist'  Mogwai
                                     'tag_release'  Mr. Beast
                                       'tag_title'  Friend of the Night
                                             'bpm'  108.762
                                    'search_title'  'friend':1 'night':4 'of':2 'the':3
                                   'search_artist'  'mogwai':1
                                  'search_release'  'beast':3 'mr':1,2
                                     'search_rest'  '00poprockelectronic':1 'friend':2 'ifs':4 'indie':6 'night':3 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':9 'beast':8C 'friend':1A,10 'ifs':12 'indie':14 'mogwai':5B 'mr':6C,7C 'night':4A,11 'of':2A 'rock':15 'songwriter':13 'the':3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'alternative', 'post rock']
                                        'tag_date'  2018
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'art rock']

============================== file details ==============================
                                           'mtime'  1621697469.2086637  (2021-05-22 17:31:09)
                             'size'  9033136